Title:
METHOD FOR GRINDING GREEN BALL, METHOD FOR MANUFACTURING CERAMIC BALL, AND GRINDING DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/040296
Kind Code:
A1
Abstract:
A method for grinding green balls (91) is provided with a step (S20) for supplying the green balls (91) between a first surface (11) of a first member (10) and a second surface (21) of a second member (20), which constitute a grinding device (1), and a step in which the green balls (91) are ground while rotating and revolving between the first surface (11) and second surface(21), wherein, in the step in which the green balls (91) are ground, a step (S30) for advancing the grinding of the green balls (91) while applying a load between the first surface (11) and second surface (21), and the green balls (91), and a step (S40) for changing the rotation axes of the green balls (91) by reducing the load more than that in the step (S30) for advancing the grinding of the green balls (91) are alternately performed.
Inventors:
HAYAKAWA YASUTAKE (JP)
MURAMATSU KATSUTOSHI (JP)
MURAMATSU KATSUTOSHI (JP)
Application Number:
PCT/JP2010/066371
Publication Date:
April 07, 2011
Filing Date:
September 22, 2010
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
HAYAKAWA YASUTAKE (JP)
MURAMATSU KATSUTOSHI (JP)
HAYAKAWA YASUTAKE (JP)
MURAMATSU KATSUTOSHI (JP)
International Classes:
B24B11/02; B24B37/025; B24B55/06
Foreign References:
| JPH11300605A | 1999-11-02 | |||
| JP2009072871A | 2009-04-09 | |||
| JPH04183567A | 1992-06-30 | |||
| DE438876C | 1926-12-29 | |||
| JPH01130908A | 1989-05-23 | |||
| JPH02303767A | 1990-12-17 | |||
| JPH07314308A | 1995-12-05 |
Other References:
See also references of EP 2484488A4
Attorney, Agent or Firm:
Fukami Patent Office, p. c. (JP)
Patent business corporation Fukami patent firm (JP)
Patent business corporation Fukami patent firm (JP)
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